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Incoming Resources
- The ups and downs of Simpson Snail, by John Himmelman
- Pigs to the rescue, John Himmelman
- Albert Hopper, science hero, worming to the center of the Earth!, John Himmelman
- Chickens to the rescue, John Himmelman
- 10 little hot dogs, John Himmelman
- Himmelman, John, Albert Hopper, science hero, 1
- Blasting through the solar system!, John Himmelman
- Floaty, John Himmelman
- Cows to the rescue, John Himmelman